Copyright © TATA MOTORS Ltd. This document must not be used in any way, such as copying and redistributing to third parties, without the consent of author. PSCM DTC Troubleshooting Guide for Mando EPAS Version: 1.1 Date: 14/01/2019 Author: E&E Chassis - ERC Page90 Troubleshooting: Voltage fluctuates between 0V and 14V? A Yes Disconnect PSCM ECU power supply connector . Check voltage b/w pin 1& 2. ( Refer Connector View & Information ) No Is DTC Present? Yes No Stop . Connect the TML Diagnostic Tool 1 . 2 . Turn the Ignition ON 3 . Check the status of DTC’s (Memorized/Current ) . Record the DTC & Clear 4 5 . Turn Ignition OFF & ON . 6. Read ECU parameters 7001( Control M odule Input Power “A”) using diagnostic tool Range: 9 to 16 V. 7 . Verify If U3006 – 1 7 is present Replace wiring harness Vehicle side ) ( Check resistance of Under bonnet fuse box (60 Amp). I s it infinity /Showing No value ) fuse is blown ( ? Yes No Replace the respective fuse
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